Predictors and prognosis of PCI-related myocardial injury in chronic total occlusion

Table 4 Univariate analysis of PMI

	P	or	95%CI
Age＞65years	0.585	1.236	0.577–2.650
Hyperlipidaemia	0.100	1.882	0.887–3.996
Diabetes	0.452	1.333	0.631–2.820
LVEF＜40%	0.114	2.002	0.846–4.737
Prior myocardial infarction	0.009	2.812	1.300-6.084
Prior stroke	0.688	1.166	0.551–2.468
Prior PCI	0.011	2.688	1.251–5.773
Multivessel artery disease^a	P＜0.001	5.150	2.261–11.735
CTO length＞15 mm	0.415	1.463	0.585–3.657
Calcification	P＜0.001	3.753	1.704–8.264
Retrograde approach	P＜0.001	10.464	3.737–29.297
Procedure complications	0.006	9.412	1.899–46.645

Logistic binary regression; OR, odd ratio, CI, confidence interval; LVEF, left ventricular ejection fraction; PCI, percutaneous coronary intervention
^a Defined as ＞50% stenosis in 2 or more major coronary arteries

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